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THE HIGH TEMPERATURE TITRATION OF BIOGENIC SILICA SCIE SCOPUS
- Title
- THE HIGH TEMPERATURE TITRATION OF BIOGENIC SILICA
- Authors
- Lee, K; Sackett, WM
- Date Issued
- 1998-06
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Abstract
- A new method has been developed for measuring biogenic silica (amorphous) in marine sediments. It is based on the Hogbom-Urey reaction CaCO3 + SiO2 (biogenic silica) --> CaSiO3 (wollastonite) + CO2. The reaction is carried out in evacuated sealed glass tubes with added excess reagent grade calcite at 500 degrees C for 3 d. The product CO2 is measured in a calibrated manometer. The dependence of the reaction on time, temperature, product CO2 pressure, and other factors is examined. (C) 1998 Elsevier Science Ltd. All rights reserved.
- Keywords
- DEEP-SEA SEDIMENTS; MARINE-SEDIMENTS; OPAL; ACCUMULATION; DISSOLUTION; CARBON
- ISSN
- 0967-0637
- Article Type
- Article
- Citation
- DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, vol. 45, no. 6, page. 1015 - 1028, 1998-06
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Related Researcher
- 이기택LEE, KITACK
- Div of Environmental Science & Enginrg